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Some of you have experienced problems due the recent move of Mathworks to
drop 32-bit Linux builds of their products (i.e. Matlab R2013a and
co.). Please note that this is not the first time Mathworks values its own
costs higher than the benefits of a few scientists. In 1998 PowerPC builds
for Macs were abandoned, causing a furious reaction
of the community.

Luckily, users of the fresh Debian stable release wheezy (or more recent
variants of Debian and its derivatives) who still need a 32bit OS on
64bit-capable hardware can take advantage of the new multiarch support. Multiarch allows for
multiple architecturesi to co-exist on a hardware/kernel
that is capable of supporting both (e.g. i386 and amd64).

Below we describe how you can use multiarch support and in few simple steps
that prepare your existing 32bit user-land for running 64bit Matlab.